Commit 124f930b authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: make sure ceph_aes_crypt() IV is aligned 



... otherwise the crypto stack will align it for us with a GFP_ATOMIC
allocation and a memcpy() -- see skcipher_walk_first().

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 6e09d0fb

net/ceph/crypto.c

+1 −1
Original line number Diff line number Diff line
@@ -214,7 +214,7 @@ static int ceph_aes_crypt(const struct ceph_crypto_key *key, bool encrypt, 
	SKCIPHER_REQUEST_ON_STACK(req, key->tfm);

	struct sg_table sgt;

	struct scatterlist prealloc_sg;

	char iv[AES_BLOCK_SIZE];

	char iv[AES_BLOCK_SIZE] __aligned(8);

	int pad_byte = AES_BLOCK_SIZE - (in_len & (AES_BLOCK_SIZE - 1));

	int crypt_len = encrypt ? in_len + pad_byte : in_len;

	int ret;